MeSH

Deliberate stimulation of the host's immune response. ACTIVE IMMUNIZATION involves administration of ANTIGENS or IMMUNOLOGIC ADJUVANTS. PASSIVE IMMUNIZATION involves administration of IMMUNE SERA or LYMPHOCYTES or their extracts (e.g., transfer factor, immune RNA) or transplantation of immunocompetent cell producing tissue (thymus or bone marrow).

Administration of vaccines to stimulate the host's immune response. This includes any preparation intended for active immunological prophylaxis.

Organized services to administer immunization procedures in the prevention of various diseases. The programs are made available over a wide range of sites: schools, hospitals, public health agencies, voluntary health agencies, etc. They are administered to an equally wide range of population groups or on various administrative levels: community, municipal, state, national, international.

Year introduced: 1994

Any immunization following a primary immunization and involving exposure to the same or a closely related antigen.

Year introduced: 1973(1971)

Transfer of immunity from immunized to non-immune host by administration of serum antibodies, or transplantation of lymphocytes (ADOPTIVE TRANSFER).

Year introduced: 1980

Schedule giving optimum times usually for primary and/or secondary immunization.

Rate of VACCINATION as defined by GEOGRAPHY and or DEMOGRAPHY.

Year introduced: 2018

Administration of a vaccine to large populations in order to elicit IMMUNITY.

Year introduced: 2010 (2003)

Techniques where DNA is delivered directly into organelles at high speed using projectiles coated with nucleic acid, shot from a helium-powered gun (gene gun). One of these techniques involves immunization by DNA VACCINES, which delivers DNA-coated gold beads to the epidermis.

Year introduced: 1997